./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash caf966c06e7a2ed1fef83368f628eae41da528db ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash caf966c06e7a2ed1fef83368f628eae41da528db ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:08:54,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:08:54,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:08:54,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:08:54,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:08:54,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:08:54,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:08:54,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:08:54,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:08:54,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:08:54,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:08:54,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:08:54,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:08:54,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:08:54,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:08:54,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:08:54,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:08:54,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:08:54,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:08:54,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:08:54,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:08:54,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:08:54,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:08:54,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:08:54,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:08:54,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:08:54,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:08:54,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:08:54,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:08:54,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:08:54,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:08:54,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:08:54,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:08:54,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:08:54,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:08:54,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:08:54,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:08:54,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:08:54,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:08:54,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:08:54,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:08:54,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:08:54,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:08:54,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:08:54,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:08:54,771 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:08:54,771 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:08:54,772 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:08:54,772 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:08:54,772 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:08:54,773 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:08:54,773 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:08:54,773 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:08:54,773 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:08:54,774 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:08:54,774 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:08:54,774 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:08:54,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:08:54,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:08:54,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:08:54,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:08:54,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:08:54,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:08:54,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:08:54,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:08:54,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:08:54,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:08:54,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:08:54,778 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:08:54,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:08:54,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:08:54,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:08:54,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:08:54,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:08:54,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:08:54,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:08:54,780 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:08:54,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:08:54,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:08:54,781 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:08:54,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:08:54,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf966c06e7a2ed1fef83368f628eae41da528db [2021-10-13 08:08:55,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:08:55,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:08:55,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:08:55,064 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:08:55,065 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:08:55,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-13 08:08:55,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data/fd3cca446/d2443d4a87f74973baf8336372ab4e38/FLAGc0653231d [2021-10-13 08:08:55,722 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:08:55,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-13 08:08:55,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data/fd3cca446/d2443d4a87f74973baf8336372ab4e38/FLAGc0653231d [2021-10-13 08:08:56,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data/fd3cca446/d2443d4a87f74973baf8336372ab4e38 [2021-10-13 08:08:56,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:08:56,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:08:56,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:08:56,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:08:56,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:08:56,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:56" (1/1) ... [2021-10-13 08:08:56,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42acfd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:56, skipping insertion in model container [2021-10-13 08:08:56,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:08:56" (1/1) ... [2021-10-13 08:08:56,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:08:56,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:08:56,388 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[13860,13873] [2021-10-13 08:08:56,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:08:56,454 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 08:08:56,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b66df0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:08:56, skipping insertion in model container [2021-10-13 08:08:56,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:08:56,456 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:08:56,459 INFO L168 Benchmark]: Toolchain (without parser) took 443.75 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 75.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:56,460 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 104.9 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:08:56,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.26 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 75.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 08:08:56,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 104.9 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 435.26 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 75.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 108]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:08:58,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:08:59,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:08:59,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:08:59,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:08:59,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:08:59,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:08:59,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:08:59,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:08:59,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:08:59,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:08:59,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:08:59,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:08:59,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:08:59,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:08:59,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:08:59,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:08:59,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:08:59,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:08:59,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:08:59,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:08:59,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:08:59,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:08:59,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:08:59,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:08:59,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:08:59,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:08:59,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:08:59,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:08:59,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:08:59,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:08:59,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:08:59,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:08:59,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:08:59,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:08:59,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:08:59,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:08:59,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:08:59,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:08:59,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:08:59,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:08:59,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:08:59,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:08:59,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:08:59,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:08:59,182 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:08:59,182 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:08:59,183 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:08:59,183 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:08:59,183 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:08:59,183 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:08:59,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:08:59,184 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:08:59,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:08:59,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:08:59,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:08:59,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:08:59,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:08:59,185 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:08:59,185 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:08:59,186 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:08:59,186 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:08:59,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:08:59,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:08:59,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:08:59,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:08:59,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:08:59,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:08:59,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:08:59,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:08:59,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:08:59,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:08:59,188 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:08:59,188 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:08:59,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:08:59,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:08:59,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:08:59,189 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf966c06e7a2ed1fef83368f628eae41da528db [2021-10-13 08:08:59,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:08:59,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:08:59,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:08:59,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:08:59,651 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:08:59,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-13 08:08:59,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data/46b43d8cc/c51fb285f75a4226a2b849ae533dab8d/FLAG273a485e8 [2021-10-13 08:09:00,436 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:09:00,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-13 08:09:00,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data/46b43d8cc/c51fb285f75a4226a2b849ae533dab8d/FLAG273a485e8 [2021-10-13 08:09:00,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/data/46b43d8cc/c51fb285f75a4226a2b849ae533dab8d [2021-10-13 08:09:00,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:09:00,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:09:00,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:09:00,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:09:00,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:09:00,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:09:00" (1/1) ... [2021-10-13 08:09:00,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1611ed8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:00, skipping insertion in model container [2021-10-13 08:09:00,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:09:00" (1/1) ... [2021-10-13 08:09:00,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:09:00,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:09:01,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[13860,13873] [2021-10-13 08:09:01,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:09:01,240 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 08:09:01,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:09:01,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[13860,13873] [2021-10-13 08:09:01,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:09:01,385 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:09:01,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[13860,13873] [2021-10-13 08:09:01,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:09:01,469 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:09:01,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01 WrapperNode [2021-10-13 08:09:01,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:09:01,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:09:01,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:09:01,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:09:01,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:09:01,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:09:01,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:09:01,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:09:01,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:09:01,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:09:01,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:09:01,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:09:01,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (1/1) ... [2021-10-13 08:09:01,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:09:01,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:09:01,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:09:01,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:09:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:09:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 08:09:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:09:01,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:09:04,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:09:04,225 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-13 08:09:04,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:09:04 BoogieIcfgContainer [2021-10-13 08:09:04,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:09:04,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:09:04,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:09:04,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:09:04,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:09:00" (1/3) ... [2021-10-13 08:09:04,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c7e77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:09:04, skipping insertion in model container [2021-10-13 08:09:04,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:09:01" (2/3) ... [2021-10-13 08:09:04,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c7e77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:09:04, skipping insertion in model container [2021-10-13 08:09:04,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:09:04" (3/3) ... [2021-10-13 08:09:04,237 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2021-10-13 08:09:04,243 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:09:04,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 08:09:04,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:09:04,307 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 08:09:04,307 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 08:09:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 08:09:04,362 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:04,362 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:09:04,363 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:04,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:04,381 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-10-13 08:09:04,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:04,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982036366] [2021-10-13 08:09:04,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:04,400 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:04,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:04,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:04,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 08:09:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:04,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 08:09:04,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:04,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:04,897 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:04,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982036366] [2021-10-13 08:09:04,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982036366] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:04,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:09:04,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 08:09:04,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58727877] [2021-10-13 08:09:04,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 08:09:04,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:04,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 08:09:04,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:09:04,935 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:04,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:09:04,963 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-13 08:09:04,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 08:09:04,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 08:09:04,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:09:04,976 INFO L225 Difference]: With dead ends: 136 [2021-10-13 08:09:04,977 INFO L226 Difference]: Without dead ends: 67 [2021-10-13 08:09:04,980 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 08:09:04,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-13 08:09:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-13 08:09:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-13 08:09:05,029 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-13 08:09:05,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:09:05,030 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-13 08:09:05,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-13 08:09:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 08:09:05,033 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:05,033 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:09:05,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 08:09:05,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:09:05,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:05,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:05,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-10-13 08:09:05,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:05,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624076783] [2021-10-13 08:09:05,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:05,251 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:05,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:05,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:05,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 08:09:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:05,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:09:05,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:05,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:05,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:05,681 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:05,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624076783] [2021-10-13 08:09:05,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624076783] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:05,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:09:05,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:09:05,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777807420] [2021-10-13 08:09:05,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:09:05,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:05,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:09:05,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:09:05,686 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:05,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:09:05,706 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-13 08:09:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:09:05,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 08:09:05,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:09:05,708 INFO L225 Difference]: With dead ends: 67 [2021-10-13 08:09:05,708 INFO L226 Difference]: Without dead ends: 33 [2021-10-13 08:09:05,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:09:05,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-13 08:09:05,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-13 08:09:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-13 08:09:05,715 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-13 08:09:05,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:09:05,716 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-13 08:09:05,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-13 08:09:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 08:09:05,717 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:05,724 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:09:05,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 08:09:05,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:09:05,952 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:05,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:05,955 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-10-13 08:09:05,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:05,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126159826] [2021-10-13 08:09:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:05,958 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:05,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:05,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:06,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 08:09:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:06,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:09:06,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:06,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:06,358 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:06,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126159826] [2021-10-13 08:09:06,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126159826] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:06,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:09:06,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 08:09:06,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322156602] [2021-10-13 08:09:06,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:09:06,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:06,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:09:06,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:09:06,367 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:09:06,439 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2021-10-13 08:09:06,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:09:06,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 08:09:06,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:09:06,441 INFO L225 Difference]: With dead ends: 110 [2021-10-13 08:09:06,442 INFO L226 Difference]: Without dead ends: 83 [2021-10-13 08:09:06,442 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:09:06,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-13 08:09:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-10-13 08:09:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-13 08:09:06,456 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-10-13 08:09:06,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:09:06,456 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-13 08:09:06,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-13 08:09:06,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 08:09:06,458 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:06,458 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:09:06,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 08:09:06,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:09:06,673 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:06,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:06,673 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-10-13 08:09:06,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:06,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914146538] [2021-10-13 08:09:06,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:06,675 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:06,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:06,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:06,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 08:09:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:06,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:09:06,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:07,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:07,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:07,188 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:07,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914146538] [2021-10-13 08:09:07,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914146538] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:07,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:09:07,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 08:09:07,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189450766] [2021-10-13 08:09:07,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 08:09:07,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:07,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 08:09:07,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 08:09:07,191 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:07,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:09:07,470 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2021-10-13 08:09:07,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 08:09:07,471 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-13 08:09:07,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:09:07,475 INFO L225 Difference]: With dead ends: 351 [2021-10-13 08:09:07,475 INFO L226 Difference]: Without dead ends: 305 [2021-10-13 08:09:07,476 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 128.8ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-13 08:09:07,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-13 08:09:07,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2021-10-13 08:09:07,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.449612403100775) internal successors, (187), 129 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-10-13 08:09:07,506 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2021-10-13 08:09:07,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:09:07,507 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-10-13 08:09:07,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-10-13 08:09:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 08:09:07,509 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:07,509 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:09:07,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 08:09:07,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:09:07,722 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:07,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:07,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2021-10-13 08:09:07,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:07,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550557864] [2021-10-13 08:09:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:07,724 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:07,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:07,726 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:07,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 08:09:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:07,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:09:07,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:08,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:08,113 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:08,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550557864] [2021-10-13 08:09:08,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550557864] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:08,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:09:08,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 08:09:08,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417014501] [2021-10-13 08:09:08,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:09:08,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:08,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:09:08,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:09:08,116 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:09,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:09:09,852 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2021-10-13 08:09:09,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:09:09,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 08:09:09,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:09:09,855 INFO L225 Difference]: With dead ends: 342 [2021-10-13 08:09:09,855 INFO L226 Difference]: Without dead ends: 218 [2021-10-13 08:09:09,857 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:09:09,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-10-13 08:09:09,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2021-10-13 08:09:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.4232558139534883) internal successors, (306), 215 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:09,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2021-10-13 08:09:09,895 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2021-10-13 08:09:09,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:09:09,895 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2021-10-13 08:09:09,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2021-10-13 08:09:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 08:09:09,898 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:09,899 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:09:09,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-13 08:09:10,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:09:10,116 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:10,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:10,117 INFO L82 PathProgramCache]: Analyzing trace with hash 68958233, now seen corresponding path program 1 times [2021-10-13 08:09:10,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:10,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084373820] [2021-10-13 08:09:10,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:10,118 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:10,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:10,119 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:10,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 08:09:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:10,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 08:09:10,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:10,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:10,558 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:10,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084373820] [2021-10-13 08:09:10,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084373820] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:10,558 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:09:10,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 08:09:10,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431310041] [2021-10-13 08:09:10,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:09:10,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:10,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:09:10,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:09:10,560 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:09:10,583 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2021-10-13 08:09:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:09:10,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 08:09:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:09:10,586 INFO L225 Difference]: With dead ends: 325 [2021-10-13 08:09:10,586 INFO L226 Difference]: Without dead ends: 115 [2021-10-13 08:09:10,587 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:09:10,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-13 08:09:10,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-13 08:09:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-10-13 08:09:10,605 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2021-10-13 08:09:10,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:09:10,606 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-10-13 08:09:10,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-10-13 08:09:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-13 08:09:10,616 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:09:10,616 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:09:10,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 08:09:10,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:09:10,831 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:09:10,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:09:10,832 INFO L82 PathProgramCache]: Analyzing trace with hash -647079898, now seen corresponding path program 1 times [2021-10-13 08:09:10,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 08:09:10,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490484794] [2021-10-13 08:09:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:10,833 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 08:09:10,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 08:09:10,834 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 08:09:10,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 08:09:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:11,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 08:09:11,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:11,256 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:11,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:09:11,441 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 08:09:11,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490484794] [2021-10-13 08:09:11,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490484794] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 08:09:11,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [807771507] [2021-10-13 08:09:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:09:11,442 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 08:09:11,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 08:09:11,444 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 08:09:11,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-10-13 08:09:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:09:11,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 08:09:11,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 08:09:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 08:09:11,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 08:09:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-13 08:09:12,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [807771507] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 08:09:12,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 08:09:12,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-10-13 08:09:12,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581654302] [2021-10-13 08:09:12,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 08:09:12,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 08:09:12,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 08:09:12,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-13 08:09:12,041 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:12,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:09:12,187 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2021-10-13 08:09:12,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 08:09:12,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-10-13 08:09:12,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:09:12,189 INFO L225 Difference]: With dead ends: 235 [2021-10-13 08:09:12,190 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 08:09:12,190 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 95.1ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-13 08:09:12,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 08:09:12,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 08:09:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 08:09:12,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-13 08:09:12,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:09:12,195 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 08:09:12,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 08:09:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 08:09:12,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 08:09:12,203 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:09:12,203 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:09:12,204 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:09:12,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-10-13 08:09:12,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-13 08:09:12,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 08:09:12,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 08:09:12,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:12,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:13,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:13,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:13,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 08:09:13,120 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 635) no Hoare annotation was computed. [2021-10-13 08:09:13,120 INFO L853 garLoopResultBuilder]: At program point L746(lines 739 749) the Hoare annotation is: false [2021-10-13 08:09:13,120 INFO L853 garLoopResultBuilder]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2021-10-13 08:09:13,120 INFO L853 garLoopResultBuilder]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2021-10-13 08:09:13,121 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 552) no Hoare annotation was computed. [2021-10-13 08:09:13,121 INFO L857 garLoopResultBuilder]: For program point L548-1(lines 653 659) no Hoare annotation was computed. [2021-10-13 08:09:13,121 INFO L857 garLoopResultBuilder]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-10-13 08:09:13,121 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 08:09:13,121 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 837) no Hoare annotation was computed. [2021-10-13 08:09:13,121 INFO L857 garLoopResultBuilder]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2021-10-13 08:09:13,121 INFO L857 garLoopResultBuilder]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2021-10-13 08:09:13,121 INFO L857 garLoopResultBuilder]: For program point L617(lines 617 624) no Hoare annotation was computed. [2021-10-13 08:09:13,122 INFO L860 garLoopResultBuilder]: At program point L617-1(lines 617 624) the Hoare annotation is: true [2021-10-13 08:09:13,122 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-10-13 08:09:13,122 INFO L853 garLoopResultBuilder]: At program point L865-1(lines 865 871) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,122 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 805) no Hoare annotation was computed. [2021-10-13 08:09:13,122 INFO L853 garLoopResultBuilder]: At program point L799-1(lines 799 805) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,122 INFO L857 garLoopResultBuilder]: For program point L635(line 635) no Hoare annotation was computed. [2021-10-13 08:09:13,123 INFO L857 garLoopResultBuilder]: For program point L635-1(line 635) no Hoare annotation was computed. [2021-10-13 08:09:13,123 INFO L857 garLoopResultBuilder]: For program point L635-2(line 635) no Hoare annotation was computed. [2021-10-13 08:09:13,123 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-10-13 08:09:13,123 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 702) no Hoare annotation was computed. [2021-10-13 08:09:13,123 INFO L857 garLoopResultBuilder]: For program point L685-1(lines 685 702) no Hoare annotation was computed. [2021-10-13 08:09:13,124 INFO L857 garLoopResultBuilder]: For program point L685-2(lines 685 702) no Hoare annotation was computed. [2021-10-13 08:09:13,125 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 08:09:13,125 INFO L853 garLoopResultBuilder]: At program point L653(lines 652 671) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,125 INFO L857 garLoopResultBuilder]: For program point L653-1(lines 653 659) no Hoare annotation was computed. [2021-10-13 08:09:13,125 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,126 INFO L853 garLoopResultBuilder]: At program point L653-2(lines 652 671) the Hoare annotation is: false [2021-10-13 08:09:13,126 INFO L853 garLoopResultBuilder]: At program point L653-3(lines 652 671) the Hoare annotation is: false [2021-10-13 08:09:13,126 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 635) no Hoare annotation was computed. [2021-10-13 08:09:13,126 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 900) no Hoare annotation was computed. [2021-10-13 08:09:13,126 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 08:09:13,127 INFO L853 garLoopResultBuilder]: At program point L755(lines 750 758) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,127 INFO L853 garLoopResultBuilder]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2021-10-13 08:09:13,127 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 697) no Hoare annotation was computed. [2021-10-13 08:09:13,127 INFO L853 garLoopResultBuilder]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2021-10-13 08:09:13,127 INFO L857 garLoopResultBuilder]: For program point L689-1(lines 689 697) no Hoare annotation was computed. [2021-10-13 08:09:13,128 INFO L857 garLoopResultBuilder]: For program point L689-2(lines 689 697) no Hoare annotation was computed. [2021-10-13 08:09:13,128 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-13 08:09:13,128 INFO L857 garLoopResultBuilder]: For program point L458-3(lines 458 462) no Hoare annotation was computed. [2021-10-13 08:09:13,128 INFO L857 garLoopResultBuilder]: For program point L458-6(lines 458 462) no Hoare annotation was computed. [2021-10-13 08:09:13,128 INFO L853 garLoopResultBuilder]: At program point L905(lines 854 906) the Hoare annotation is: false [2021-10-13 08:09:13,129 INFO L857 garLoopResultBuilder]: For program point L856(lines 855 904) no Hoare annotation was computed. [2021-10-13 08:09:13,129 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-10-13 08:09:13,129 INFO L860 garLoopResultBuilder]: At program point L626(lines 607 629) the Hoare annotation is: true [2021-10-13 08:09:13,129 INFO L853 garLoopResultBuilder]: At program point L593(lines 589 595) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,130 INFO L853 garLoopResultBuilder]: At program point L527(lines 522 530) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,130 INFO L853 garLoopResultBuilder]: At program point L527-1(lines 522 530) the Hoare annotation is: false [2021-10-13 08:09:13,130 INFO L853 garLoopResultBuilder]: At program point L527-2(lines 522 530) the Hoare annotation is: false [2021-10-13 08:09:13,130 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 08:09:13,130 INFO L853 garLoopResultBuilder]: At program point L544-2(lines 544 558) the Hoare annotation is: false [2021-10-13 08:09:13,131 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 635) no Hoare annotation was computed. [2021-10-13 08:09:13,131 INFO L853 garLoopResultBuilder]: At program point L660(lines 660 666) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,131 INFO L853 garLoopResultBuilder]: At program point L660-1(lines 660 666) the Hoare annotation is: false [2021-10-13 08:09:13,131 INFO L853 garLoopResultBuilder]: At program point L660-2(lines 660 666) the Hoare annotation is: false [2021-10-13 08:09:13,132 INFO L853 garLoopResultBuilder]: At program point L495(lines 490 498) the Hoare annotation is: false [2021-10-13 08:09:13,132 INFO L853 garLoopResultBuilder]: At program point L495-1(lines 490 498) the Hoare annotation is: false [2021-10-13 08:09:13,132 INFO L853 garLoopResultBuilder]: At program point L495-2(lines 490 498) the Hoare annotation is: false [2021-10-13 08:09:13,132 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 881) no Hoare annotation was computed. [2021-10-13 08:09:13,132 INFO L853 garLoopResultBuilder]: At program point L875-1(lines 875 881) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,133 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-13 08:09:13,133 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 912) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,133 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 899) no Hoare annotation was computed. [2021-10-13 08:09:13,133 INFO L853 garLoopResultBuilder]: At program point L893-1(lines 653 659) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,134 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 840) no Hoare annotation was computed. [2021-10-13 08:09:13,134 INFO L853 garLoopResultBuilder]: At program point L827-1(lines 1 912) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 08:09:13,134 INFO L857 garLoopResultBuilder]: For program point L827-2(lines 827 840) no Hoare annotation was computed. [2021-10-13 08:09:13,135 INFO L853 garLoopResultBuilder]: At program point L827-3(lines 1 912) the Hoare annotation is: false [2021-10-13 08:09:13,135 INFO L857 garLoopResultBuilder]: For program point L827-4(lines 827 840) no Hoare annotation was computed. [2021-10-13 08:09:13,135 INFO L853 garLoopResultBuilder]: At program point L827-5(lines 1 912) the Hoare annotation is: false [2021-10-13 08:09:13,140 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:09:13,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:09:13 BoogieIcfgContainer [2021-10-13 08:09:13,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:09:13,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:09:13,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:09:13,170 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:09:13,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:09:04" (3/4) ... [2021-10-13 08:09:13,176 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 08:09:13,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 08:09:13,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 08:09:13,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 08:09:13,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 08:09:13,208 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 08:09:13,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:09:13,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 08:09:13,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-13 08:09:13,303 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:09:13,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:09:13,305 INFO L168 Benchmark]: Toolchain (without parser) took 12637.90 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 49.1 MB in the beginning and 41.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:13,306 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:09:13,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.50 ms. Allocated memory is still 69.2 MB. Free memory was 48.8 MB in the beginning and 38.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:13,307 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.31 ms. Allocated memory is still 69.2 MB. Free memory was 38.8 MB in the beginning and 35.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:13,308 INFO L168 Benchmark]: Boogie Preprocessor took 76.88 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 33.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:13,308 INFO L168 Benchmark]: RCFGBuilder took 2596.66 ms. Allocated memory is still 69.2 MB. Free memory was 33.6 MB in the beginning and 30.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:13,309 INFO L168 Benchmark]: TraceAbstraction took 8939.19 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 29.8 MB in the beginning and 47.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:13,309 INFO L168 Benchmark]: Witness Printer took 134.03 ms. Allocated memory is still 90.2 MB. Free memory was 47.3 MB in the beginning and 41.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 08:09:13,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory is still 35.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 802.50 ms. Allocated memory is still 69.2 MB. Free memory was 48.8 MB in the beginning and 38.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.31 ms. Allocated memory is still 69.2 MB. Free memory was 38.8 MB in the beginning and 35.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.88 ms. Allocated memory is still 69.2 MB. Free memory was 35.9 MB in the beginning and 33.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2596.66 ms. Allocated memory is still 69.2 MB. Free memory was 33.6 MB in the beginning and 30.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8939.19 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 29.8 MB in the beginning and 47.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * Witness Printer took 134.03 ms. Allocated memory is still 90.2 MB. Free memory was 47.3 MB in the beginning and 41.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 635]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 635]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 635]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8842.9ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 44.8ms, AutomataDifference: 2380.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 511.1ms, InitialAbstractionConstructionTime: 31.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 407 SDtfs, 629 SDslu, 561 SDs, 0 SdLazy, 112 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1892.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 254.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=5, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 138.2ms AutomataMinimizationTime, 7 MinimizatonAttempts, 208 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 400.8ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 99.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 200.0ms SsaConstructionTime, 955.8ms SatisfiabilityAnalysisTime, 1932.8ms InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 752 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 08:09:13,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a93c625a-e57a-4ef7-8348-581462e4c4fc/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...